0 (zero; BrE: /ˈzɪərəʊ/ or AmE: /ˈziːroʊ/) is both a number and the numerical digit used to represent that number in numerals. It fulfils a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems. In the English language, 0 may be called zero, nought or (US) naught /ˈnɔːt/, nil, or — in contexts where at least one adjacent digit distinguishes it from the letter "O" — oh or o /ˈoʊ/. Informal or slang terms for zero include zilch and zip.Ought or aught /ˈɔːt/ has also been used historically. (See Names for the number 0 in English.)

This is an excerpt from the article Zero map from the Wikipedia free encyclopedia. A list of authors is available at Wikipedia.

The article Zero map at en.wikipedia.org was accessed 103 times in the last 30 days. (as of: 06/10/2013)

In order to avoid heavy notations, we shall keep the symbols of the original maps for their extensions. lst. step. Consider fH° : d(BH°) - S/+1 -, IR/+I\{0}. Then ///°(x,0, 0) = /Q(x,0,0) extends to a non-Zero map on BQ = B ° if and only if its class in ...

As "example 0", we see that for any pair (G, G') the Zero map 0: T— >7" is admissible; it corresponds to the constant map BG^>BG'. One may then ask: for which pairs (G, G') is the Zero map the only admissible map, and for which pairs ( G, G') ...

Since the degree of a constant map is clearly zero, null-homotopic maps also have degree zero, and thus a map Sn — > Sn of nonzero degree, such as the identity map, cannot be extended to a map Dn+l — > Sn. This has the following ...

This book explores the diverse approaches that are being adopted around the world to deliver zero carbon homes and the different societal systems and geographic circumstances in which they have developed.

The following map (via AON) measures the risk of political violence to international business in 200 countries and territories, based on three icons indicating the forms of political violence which are likely to be encountered: Terrorism and sabotage; Strikes, riots, civil commotion and malicious damage; and Political insurrection, revolution, rebellion, mutiny, coup d'etat, war and civil war.

Wikipedia, the collection of 37 million articles that anyone can edit, is defined by conflict. The ability for anyone to shape this global repository of knowledge inevitable means that we are presented with fascinating, shocking, and often hilarious discussions on the talk pages of articles.

MEDAL OF HONOR WARFIGHTER ZERO DARK THIRTY MAP PACK SINGLE AND MALTY PLAYER BOTH
The Medal of Honor Warfighter Zero Dark Thirty Map Pack includes two new multiplayer maps inspired by two of the most dangerous locations in the world - Darra and Chitral. The first map, Darra Gun Market, is based on Pakistan's flourishing arms bazaar, which is the largest illegal arms market in the world.